Probability is defined as the likelihood of any event. It is the chance of something happening and what are the odds behind the happening of any event. Probabilities are usually assigned a value between 0 and 1. The probability of 0 suggests that there is 0% chance that a particular event will occur. The probability of a head and a tail will have a probability of 0 as a head and a tail in a single toss is impossible. On the other hand a probability of 1 implies that an event is surely going to occur. In practice ...